Sacramento weather in December

In December, Sacramento sees average daytime highs of 28°C and overnight lows near 20°C, with 304 mm of rain across 25.5 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 9% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 06 min at the start of December to 13 h 12 min by month's end. Set against the rest of the year, December is Sacramento's 11th-clearest and 8th-windiest month. For the whole year in context, see Sacramento's year-round climate.

Daytime high
28°
7th warmest
Overnight low
20°
11th coldest
Rainfall
304 mm
25.5 wet days
Daylight
13 h 12 min
6:30 AM – 7:42 PM
Cloud cover
78%
11th clearest
Wind
8 km/h
8th windiest
Solar energy
5.66 kWh/m²
Travel score
4.0
out of 10

Sacramento is human settlement in Sacramento (Brazil/MG).

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Sacramento reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

Sacramento weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°29723.713.14.1
Feb28° / 20°22119.512.74.2
Mar28° / 19°21421.512.14.5
Apr28° / 18°8311.111.66.3
May26° / 16°415.611.17.6
Jun25° / 14°162.310.88.4
Jul26° / 14°111.810.98.5
Aug28° / 16°152.511.37.8
Sep29° / 18°617.411.95.9
Oct29° / 19°12014.512.54.8
Nov28° / 19°22320.512.94.5
Dec28° / 20°30425.513.24.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22377
32377
42179
52179
62080
72080
82080
92080
102080
112080
122179
132179
142278
152278
162377
172278
182377
192377
202476
212377
222377
232278
242278
252179
262080
271981
281981
291981
301981
311882

Chance of precipitation in December

Any precipitation

Sacramento gets around 304 mm of rain over 25.5 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 81% and peaks near 82% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
278
379
480
581
681
782
882
982
1082
1182
1282
1382
1482
1582
1682
1782
1882
1982
2082
2182
2282
2382
2482
2582
2682
2782
2881
2981
3081
3180

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the muggy band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1152866
2052669
3042571
4042472
5032275
6032176
7032176
8022078
9022078
10022078
11022078
12022078
13022177
14012178
15012277
16012376
17012475
18012574
19012574
20012673
21012673
22012673
23012772
24012673
25012673
26012574
27012574
28012475
29012376
30012376
31022276

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 06 min at the start of December to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:26 AM to 6:37 AM, and sunset from 7:33 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:267:33
213.16:267:34
313.16:267:34
413.16:277:35
513.16:277:35
613.26:277:36
713.26:277:37
813.26:277:37
913.26:287:38
1013.26:287:38
1113.26:287:39
1213.26:297:40
1313.26:297:40
1413.26:297:41
1513.26:307:41
1613.26:307:42
1713.26:307:42
1813.26:317:43
1913.26:317:43
2013.26:327:44
2113.26:327:44
2213.26:337:45
2313.26:337:45
2413.26:347:46
2513.26:347:46
2613.26:357:47
2713.26:357:47
2813.26:367:47
2913.26:367:48
3013.26:377:48
3113.26:377:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.66 kWh/m².

For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 6.13 kWh/m² in October across the year — December's 5.66 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in December

Hazard calendar for Sacramento

In seasonPeak

In December, Sacramento sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Sacramento's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Sacramento?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.0
Sightseeing
12th-best month of the year
4.3
Beach & pool
12th-best month of the year

December is a reasonable time to visit Sacramento for sightseeing.

What to pack for Sacramento in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Sacramento sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Sacramento in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sacramento peaks around February 8 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 8UV 15Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep10Extreme
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Sacramento in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Sacramento is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (July, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1621 µg/m³Jul 106 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr7Good
May7Good
Jun6Good
Jul6Good
Aug11Good
Sep22Moderate
Oct11Good
Nov6Good
Dec6Good
Location & terrain

Where is Sacramento?

Sacramento sits at 19.9°S, 47.4°W, 841 m above sea level, in Brazil. The nearest listed city is Igarapava, 37 km away.

Topography around Sacramento

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sacramento.

Within 3 km, the terrain around Sacramento has only modest variations in elevation — a maximum elevation change of 207 m around an average of 892 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 667 m; within 80 km, large variations in elevation — a maximum elevation change of 929 m.

The land around Sacramento is covered by cropland (39%), trees (22%) and grassland (22%) within 3 km, cropland (46%) and trees (23%) within 16 km, and cropland (43%), grassland (24%) and trees (23%) within 80 km.

3 km
207 m
16 km
667 m
80 km
929 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Igarapava 37 km · Pedregulho 44 km · Uberaba 53 km · Perdizes 59 km · Araxá 60 km · Santa Juliana 63 km · Ituverava 64 km · Miguelópolis 71 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sacramento (-19.8653°, -47.44°, elevation 841 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).